package day04;

import java.util.Scanner;

public class switchCase {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int a = in.nextInt();
        switch (a){
            case 23:
                System.out.println(23);
                break;
            case 34:
                System.out.println(34);
                break;
            default:
                System.out.println(a);
        }
    }
}
